Flat Roof Deck Construction Details

Flat roof design guide.

Flat roof deck construction details.

Careful detailing of membrane roofs at corners doorways and penetrations is critical for long term performance. These decks are often referred to as floating as they are not secured in place as a stand alone structure. We include walk on roof surfaces roofing membrane to use below a rooftop deck and construction of rooftop deck railings and posts. The basic construction of a flat roof starts with roofing timber that is laid across two upright items usually two walls.

Photo by dave holbrook. A roof is defined in bs 6229 as a flat roof if it has a pitch of 10 degrees or less. It must provide adequate protection against the elements keeping the buildings structure and interior dry. There are three recognised designs of flat roof construction.

Epdm is the best choice for most rooftop decks. First you must make sure the roof is strong enough to support 55 lbs per square foot. It dealt in detail with flat roof. As with the construction of any type of roofing system it s crucial to understand the correct process and essential criteria involved in flat roofing construction.

Rooftop decks walk on roofs. Having a manual for warm flat roof construction with details and a summary of rules to follow helps. Flat roof types. Although flat roofs are cheaper to build than pitched roofs they have a shorter life span.

Warm cold and inverted. The roof deck surface should sloped away from the house a minimum 1 8 inch per foot so the water will. Timber in the form of rough sawn or planed boards or planks can be used as the loadbearing deck to a flat roof. Flat roof construction for residential.

Building a deck over a flat roof is very similar to building a deck over a concrete patio. A flat roof must be strong durable and stable throughout its lifetime. Some key details for a leakproof rooftop deck are. While many will contact a professional installation company to complete the job there are others who will feel confident enough in their own ability to install a flat roof onto the structure.

This article discusses rooftop deck construction details to avoid building leaks or rooftop deck safety hazards. A roof is considered to be flat when it is of a slope of 1 5 o to the horizontal. They are merely placed on top of another structure. Construction studies drawing detail showing how to draw a flat roof warm deck construction detail to a scale of 1 10 with a short introduction highlighting t.